The building, which rose over the last 18 months on what was previously Mr. Tisch’s tennis complex, is a two-story, 4,500-square-foot mini-museum. This was the dramatic reveal.

“The building is dramatic,” he continued, “but it’s not pretentious and it’s not overwhelming.” He declined to say how much it cost. But, he added with a smile, borrowing “Citizen Kane” imagery to make a point about not needing to prove himself: “I’m not Charles Foster Kane, and this isn’t Xanadu. Nobody took away my sled.”